Asked by Kimmy

In a school, 0.6 of the children had chicken pox, while 162 children have not had chicken pox. What is the enrolment of the school?
Answered by oobleck
0.4x = 162
x = 405
Answered by Laura
0.6 of X + 162 =X
3/5X + 162 = X
find the L.C.M
3X + 810 = X
5
cross multiply
3X + 810 = 5X
collect like terms
3X- 5X = -810
-2X= -810
X= -810
-2
X = 405
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